<template>
    <div class="login_container">
        <el-row>
            <el-col :span="12" :xs="0"></el-col>
            <el-col :span="12" :xs="24">
                <el-form class="login_form" :model="loginForm" :rules="rules" ref="loginForms">
                    <h1>Hello</h1>
                    <h2>欢迎来到硅谷</h2>
                    <el-form-item prop="username">
                        <el-input :prefix-icon="User" v-model="loginForm.username"></el-input>
                    </el-form-item>
                    <el-form-item prop="password">
                        <el-input type="password" :prefix-icon="Lock" v-model="loginForm.password"
                            show-password></el-input>
                    </el-form-item>
                    <el-form-item>
                        <el-button class="login_btn" :loading="loading" type="primary" @click="login">登录</el-button>
                    </el-form-item>
                </el-form>
            </el-col>
        </el-row>
    </div>
</template>

<script setup lang="ts">
import { User, Lock } from '@element-plus/icons-vue';
import { reactive, ref } from 'vue';
import { useRouter } from 'vue-router';
import { ElNotification } from 'element-plus';
import useUserStore from '../../store/modules/user';
import { getTime } from '../../utils/time';

const router = useRouter();
const userStore = useUserStore();
const loginForm = reactive({
    username: 'admin',
    password: '111111'
});
let loginForms = ref();
const validateUsername = (rule: any, value: any, callback: any) => {
    if (value.length >= 5) {
        callback();
    } else {
        callback(new Error('账号长度至少五位'));
    }
}
const validatePassword = (rule: any, value: any, callback: any) => {
    if (value.length >= 6) {
        callback();
    } else {
        callback(new Error('密码长度至少六位'));
    }
}
const rules = {
    username: [
        // { required: true, message: '用户名不能为空', trigger: 'blur' },
        // { min: 6, max: 12, message: '账号长度至少6位', trigger: 'change' },
        { validator: validateUsername, trigger: 'change' }
    ],
    password: [
        // { required: true, message: '密码不能为空', trigger: 'blur' },
        // { min: 6, max: 12, message: '密码长度至少6位', trigger: 'change' },
        { validator: validatePassword, trigger: 'change' }
    ]
}

let loading = ref(false)

const login = async () => {
    await loginForms.value.validate()
    loading.value = true
    try {
        await userStore.userLogin(loginForm);
        router.push('/');
        ElNotification({
            type: 'success',
            message: '欢迎回来',
            title: `Hi,${getTime()}好`
        })
        loading.value = false
    } catch (error) {
        loading.value = false
        ElNotification({
            type: 'error',
            message: (error as Error).message
        })
    }
};

</script>

<style scoped lang="scss">
.login_container {
    width: 100%;
    height: 100vh;
    background: url('@/assets/images/background.jpg') no-repeat;
    background-size: cover;
}

.login_form {
    position: relative;
    width: 80%;
    top: 30vh;
    background: url('@/assets/images/login_form.png') no-repeat;
    background-size: cover;
    padding: 40px;

    h1 {
        color: white;
        font-size: 40px;
    }

    h2 {
        font-size: 20px;
        color: white;
        margin: 20px 0px;
    }

    .login_btn {
        width: 100%;
    }
}
</style>